1.dumbcane.2 (1.dumb if do not see need to cane.2 them) so they know no nutrient saps from there? (Grammatically Incorrect?)

Whatever 4, one new leave alt week but getting smaller ...

When re-potting, make sure do not upset their roots (remember this is the globalised age?).

Better wet or fertilize the human head and grow health black hair? than over or under-doing it on plants.

Whether bad lighting or water, may need to use fungicide to drench or put them where it is sunny.